I went ahead and swapped the non-working spark module with the working on and the burners ignited. I just need to order a new spark module.

It is somewhat confusing though. The part is Harper-Wyman 6540S0001 right off the part. When I look for my range model and spark igniters online, I get some different parts that look different. It is possible in 11 years the part changed looks wise. I am wondering if I should just look for the part I have, or go with the new part.

VGIC485-6QSS. I think I got it figured out...I just ordered the exact part I took out....Harper-Wyman 6540 and ignored the Viking part number.

I do have a problem though. One burner keeps clicking even after the flame is on. I changed the igniter, same thing. Tried a different igniter wire, same thing. I checked the grounding and connection to the spark module and they look okay. The other burned and grill light and the igniter turns off fine.

Spark switch for that burner prob needs to be replaced. Yank the wire off of it and see if the sparking stops is what I would do.Note: Being careful not to get shocked or shorting out any live wires of course.

« Last Edit: July 05, 2012, 12:09:09 PM by JWWebster »

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Spark switch for that burner prob needs to be replaced. Yank the wire off of it and see if the sparking stops is what I would do.Note: Being careful not to get shocked or shorting out any live wires of course.

I'll give that a try.

Do you know if the 3 wires (all red) that are connected to the spark module need to go in a particular place? Since they looked identical and weren't labelled, I assumed where I plugged them in didn't matter (I just noted wire color and put any red wire where there was a red wire before). Could that be my problem?

It looks like those come from the spark switch. Originally I thought they were a power source so I thought it didn't matter.

The way that particular Harper Wyman module works is it have 2 inputs (Line and Neutral) for power in and a leg out to each burner. When power is applied they all spark at the same time. This module MUST be properly grounded. Each burner valve has a spark switch and each burner must be grounded as well. If you turn on a burner all them igniters will spark but only the valve you opened will ignite. If you have one that continues to spark then you most likely have a spark switch that has it's contacts fried together. Harper-Wyman also sells the spark switches. I used to sell Harper-Wyman as an authorized Harper-Wyman dealer.

« Last Edit: July 05, 2012, 01:53:21 PM by JWWebster »

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About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair

I pulled the wire off the spark switch on the rear burner. When I turned on the grill, it continue to spark even after lit. The front burner worked properly as before.

My spark module on the right actually had 2 grounds. I made sure to reattach those tightly when I replaced it. For some reason, the one on the left had only 1 ground. The one that I am having the problem with now had a ground wire attached where all the red and black wires are, but also one that attached below the wires on the side where the igniter wires are.